Position Sensing Detectors: 1L Series | 2L Series | Theory | Specification Chart

PSD Specification Chart

Model	Active Area (mm)	Respons. @940nm A/W	Dark Current nA		Noise Current p^A/Hz^1/2		Capacitance pF@15V
Model	Active Area (mm)	Respons. @940nm A/W	Typ.	Max	Typ.	Max	Typ.	Max
One-Dimensional PSD Series
1L2.5SP	2.5x0.6	0.63	2	10	0.4	1.0	1.6	2.0
1L5SP	5.0x1.0	0.63	4	20	0.4	1.0	5	6
1L10	10.0x2.0	0.63	8	50	0.4	1.0	15	20
1L20	20.0x3.0	0.63	50	250	0.5	1.0	45	55
1L30	30.0x4.0	0.63	150	1000	0.5	1.0	90	110
1L45	45.0x3.0	0.63	110	1500	0.4	0.9	105	125
1L60	60.0x3.0	0.63	150	2000	0.4	1.0	135	160
One Dimensional PSD Series With Stray Light Elimination
1L5NT	5.0x0.25	0.63	4	20	0.3	0.6	5	6
1L10NT	10.0x0.05	0.63	8	50	0.3	0.6	15	20
Two Dimensional PSD Series — Duolateral
2L2SP	2.0x2.0	0.63	50	200	1.3	2.5	7	8
2L4SP	4.0x4.0	0.63	50	200	1.3	2.5	20	25
2L10SP	10.0x10.0	0.63	100	500	1.3	2.5	90	110
2L20SP	20.0x20.0	0.63	200	2000	1.5	3.5	360	430
2L45	45.0x45.0	0.63	400	4000	1.5	3.5	1600	2000

Model	Rise Time μs 10-90% 15V		Reverse Bias V			Detector Resistance (kΩ)			Thermal Drift ppm/C°		Position Non-Linearity
Model	Typ.	Max	Min	Typ.	Max	Min	Typ.	Max	Typ.	Max	Typ.	Max
One-Dimensional PSD Series
1L2.5SP	0.3	0.5	5	15	20	40	50	80	20	100	0.1	0.2
1L5SP	0.5	0.8	5	15	20	40	50	80	20	100	0.1	0.2
1L10	.20	.40	5	15	20	40	50	80	20	100	0.1	0.2
1L20	.50	1.0	5	15	20	40	50	80	20	100	0.1	0.2
1L30	1.0	1.8	5	15	20	40	50	80	20	100	0.1	0.2
1L45	2.7	4.2	5	15	30	90	115	150	20	100	0.1	0.2
1L60	4.5	8.5	5	15	30	120	150	200	20	100	0.1	0.2
One Dimensional PSD Series With Stray Light Elimination
1L5NT	.25	.40	5	15	20	160	200	300	20	100	0.1	0.2
1L10NT	0.7	1.4	5	15	20	160	200	300	20	100	0.1	0.2
Two Dimensional PSD Series — Duolateral
2L2SP	.03	0.6	5	15	20	7	10	16	40	200	0.3	1.0
2L4SP	.08	.16	5	15	20	7	10	16	40	200	0.3	0.8
2L10SP	.40	.80	5	15	20	7	10	16	40	200	0.3	0.8
2L20SP	1.6	3.0	5	15	20	7	10	16	40	200	0.3	0.8
2L45	7	14	5	15	30	7	10	16	40	200	0.3	1.0